get

# File lib/rubygems/request_set/lockfile.rb, line 181
  def get expected_types = nil, expected_value = nil # :nodoc:
    @current_token = @tokens.shift

    type, value, column, line = @current_token

    if expected_types and not Array(expected_types).include? type then
      unget

      message = "unexpected token [#{type.inspect}, #{value.inspect}], " +
                "expected #{expected_types.inspect}"

      raise ParseError.new message, column, line, "#{@gem_deps_file}.lock"
    end

    if expected_value and expected_value != value then
      unget

      message = "unexpected token [#{type.inspect}, #{value.inspect}], " +
                "expected [#{expected_types.inspect}, " +
                "#{expected_value.inspect}]"

      raise ParseError.new message, column, line, "#{@gem_deps_file}.lock"
    end

    @current_token
  end